whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. UModerationEmitEventEvent event,
    2. UModerationEmitEventSubject subject,
    3. List<String>? subjectBlobCids,
    4. String createdBy,
    5. ModTool? modTool,
    6. String? externalId,
    7. Map<String, dynamic>? $unknown,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return null;
}

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function(@UModerationEmitEventEventConverter()  UModerationEmitEventEvent event, @UModerationEmitEventSubjectConverter()  UModerationEmitEventSubject subject,  List<String>? subjectBlobCids,  String createdBy, @ModToolConverter()  ModTool? modTool,  String? externalId,  Map<String, dynamic>? $unknown)?  $default,) {final _that = this;
switch (_that) {
case _ModerationEmitEventInput() when $default != null:
return $default(_that.event,_that.subject,_that.subjectBlobCids,_that.createdBy,_that.modTool,_that.externalId,_that.$unknown);case _:
  return null;

}
}